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TIL: There were Twin Ancient Cultures On Opposite Sides Of The Pacific

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4gZa TIL that when John Walker used a stick to stir a pot containing antimony sulfide, potassium chlorate & sulfur, some of the mixture stuck to the end of the stick. When he tried to scrape the lump, it easily caught fire (due to friction) & this led to the birth of friction matches.
xr50 TIL when a drone bee mates with the queen, his orgasm is so powerful it causes his genitals to explode, killing the male and leaving his penis inside the queen. The explosion is so powerful, it’s audible to human ears.
vPw4x TIL That some high schools have coffee shops in them!
ANbNB TIL that the first British ocean-going iron warship deployed and operated in China during the first Opium War
0wM6R TIL: Certain ant species commit suicide to protect their territory. As stinging wasn't effective against some predators, they evolved the ability to self-sacrifice to kill one or more enemies. They wrap themselves around an opponent & explodes, releasing sticky corrosive material killing both.